diff --git a/.github/workflows/javascript.yml b/.github/workflows/javascript.yml
new file mode 100644
index 000000000..3a37d19e7
--- /dev/null
+++ b/.github/workflows/javascript.yml
@@ -0,0 +1,27 @@
+name: JavaScript
+
+on:
+  push:
+    branches: ['main']
+    paths: ['codes/javascript/**/*.js']
+  pull_request:
+    branches: ['main']
+    paths: ['codes/javascript/**/*.js']
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20.x
+      - uses: denoland/setup-deno@v1
+        with:
+          deno-version: v1.x
+      - name: Run JavaScript Code
+        run: deno run -A codes/javascript/test_all.js
diff --git a/.github/workflows/typescript.yml b/.github/workflows/typescript.yml
index 0dc3db042..1b6172101 100644
--- a/.github/workflows/typescript.yml
+++ b/.github/workflows/typescript.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest]
+        os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
diff --git a/codes/javascript/test_all.js b/codes/javascript/test_all.js
new file mode 100644
index 000000000..b43ef49f5
--- /dev/null
+++ b/codes/javascript/test_all.js
@@ -0,0 +1,63 @@
+import { bold, brightRed } from 'jsr:@std/fmt/colors';
+import { expandGlob } from 'jsr:@std/fs';
+import { relative, resolve } from 'jsr:@std/path';
+
+/**
+ * @typedef {import('jsr:@std/fs').WalkEntry} WalkEntry
+ * @type {WalkEntry[]}
+ */
+const entries = [];
+
+for await (const entry of expandGlob(
+    resolve(import.meta.dirname, './chapter_*/*.js')
+)) {
+    entries.push(entry);
+}
+
+/** @type {{ status: Promise<Deno.CommandStatus>; stderr: ReadableStream<Uint8Array>; }[]} */
+const processes = [];
+
+for (const file of entries) {
+    const execute = new Deno.Command('node', {
+        args: [relative(import.meta.dirname, file.path)],
+        cwd: import.meta.dirname,
+        stdin: 'piped',
+        stdout: 'piped',
+        stderr: 'piped',
+    });
+
+    const process = execute.spawn();
+    processes.push({ status: process.status, stderr: process.stderr });
+}
+
+const results = await Promise.all(
+    processes.map(async (item) => {
+        const status = await item.status;
+        return { status, stderr: item.stderr };
+    })
+);
+
+/** @type {ReadableStream<Uint8Array>[]} */
+const errors = [];
+
+for (const result of results) {
+    if (!result.status.success) {
+        errors.push(result.stderr);
+    }
+}
+
+console.log(`Tested ${entries.length} files`);
+console.log(`Found exception in ${errors.length} files`);
+
+if (errors.length) {
+    console.log();
+
+    for (const error of errors) {
+        const reader = error.getReader();
+        const { value } = await reader.read();
+        const decoder = new TextDecoder();
+        console.log(`${bold(brightRed('error'))}: ${decoder.decode(value)}`);
+    }
+
+    throw new Error('Test failed');
+}